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Diffstat (limited to 'sys/v4l2/v4l2src_calls.c')
-rw-r--r--sys/v4l2/v4l2src_calls.c187
1 files changed, 63 insertions, 124 deletions
diff --git a/sys/v4l2/v4l2src_calls.c b/sys/v4l2/v4l2src_calls.c
index 9e9724dd..fdcc8bbe 100644
--- a/sys/v4l2/v4l2src_calls.c
+++ b/sys/v4l2/v4l2src_calls.c
@@ -80,9 +80,9 @@ gst_v4l2src_fill_format_list (GstV4l2Src * v4l2src)
if (errno == EINVAL) {
break; /* end of enumeration */
} else {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
- ("failed to get number %d in pixelformat enumeration for %s: %s",
- n, v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
+ (_("failed to get number %d in pixelformat enumeration for %s: %s"),
+ n, v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
g_free (format);
return FALSE;
}
@@ -129,7 +129,8 @@ gst_v4l2src_queue_frame (GstV4l2Src * v4l2src, guint i)
GST_ELEMENT_ERROR (v4l2src, RESOURCE, WRITE,
(_("Could not write to device '%s'."),
v4l2src->v4l2object->videodev),
- ("Error queueing buffer %u on device %s", i, g_strerror (errno)));
+ ("Error queueing buffer %u on device %s. system error: %s", i,
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
return FALSE;
}
@@ -156,39 +157,40 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src)
/* if the sync() got interrupted, we can retry */
switch (errno) {
case EAGAIN:
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
- ("Non-blocking I/O has been selected using O_NONBLOCK and"
- " no buffer was in the outgoing queue. device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_DEBUG_OBJECT (v4l2src,
+ "Non-blocking I/O has been selected using O_NONBLOCK and"
+ " no buffer was in the outgoing queue. device %s",
+ v4l2src->v4l2object->videodev);
break;
case EINVAL:
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
- ("The buffer type is not supported, or the index is out of bounds,"
- " or no buffers have been allocated yet, or the userptr"
- " or length are invalid. device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, FAILED,
+ (_("Failed trying to get frames from device %s"),
+ v4l2src->v4l2object->videodev),
+ (_("The buffer type is not supported, or the index is out of bounds," " or no buffers have been allocated yet, or the userptr" " or length are invalid. device %s"), v4l2src->v4l2object->videodev));
break;
case ENOMEM:
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
- ("isufficient memory to enqueue a user pointer buffer. device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, FAILED,
+ (_("Failed trying to get frames from device %s. Not enough memory"),
+ v4l2src->v4l2object->videodev),
+ (_("isufficient memory to enqueue a user pointer buffer. device %s"), v4l2src->v4l2object->videodev));
break;
case EIO:
- GST_WARNING_OBJECT (v4l2src,
+ GST_DEBUG_OBJECT (v4l2src,
"VIDIOC_DQBUF failed due to an internal error."
" Can also indicate temporary problems like signal loss."
" Note the driver might dequeue an (empty) buffer despite"
" returning an error, or even stop capturing."
- " device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno));
+ " device %s", v4l2src->v4l2object->videodev);
break;
case EINTR:
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
- ("could not sync on a buffer on device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_DEBUG_OBJECT (v4l2src,
+ "could not sync on a buffer on device %s",
+ v4l2src->v4l2object->videodev);
break;
default:
- GST_DEBUG_OBJECT (v4l2src, "grab got interrupted");
+ GST_ELEMENT_WARNING (v4l2src, RESOURCE, FAILED,
+ (_("Grabbing frame got interrupted on %s. No expected reason"),
+ v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
break;
}
@@ -225,9 +227,9 @@ gst_v4l2src_get_capture (GstV4l2Src * v4l2src)
memset (&v4l2src->format, 0, sizeof (struct v4l2_format));
v4l2src->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_G_FMT, &v4l2src->format) < 0) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
- ("failed to get pixelformat for device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
+ (_("failed to get pixelformat for device %s"),
+ v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
@@ -267,10 +269,10 @@ gst_v4l2src_set_capture (GstV4l2Src * v4l2src,
v4l2src->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_S_FMT, &v4l2src->format) < 0) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
- ("failed to set pixelformat to %s @ %dx%d for device %s: %s",
- fmt->description, *width, *height,
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
+ (_("failed to set pixelformat to %s @ %dx%d for device %s: %s"),
+ fmt->description, *width, *height, v4l2src->v4l2object->videodev),
+ GST_ERROR_SYSTEM);
goto fail;
}
@@ -287,10 +289,10 @@ gst_v4l2src_set_capture (GstV4l2Src * v4l2src,
}
if (fmt->pixelformat != v4l2src->format.fmt.pix.pixelformat) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
- ("failed to set pixelformat to %s @ %dx%d for device %s: %s",
- fmt->description, *width, *height,
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
+ (_("failed to set pixelformat to %s @ %dx%d for device %s: %s"),
+ fmt->description, *width, *height, v4l2src->v4l2object->videodev),
+ GST_ERROR_SYSTEM);
goto fail;
}
@@ -357,7 +359,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
(_("Could not get buffers from device '%s'."),
v4l2src->v4l2object->videodev),
- ("error requesting %d buffers: %s",
+ ("error requesting %d buffers. system error: %s",
v4l2src->breq.count, g_strerror (errno)));
return FALSE;
}
@@ -395,7 +397,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
g_object_notify (G_OBJECT (v4l2src), "num_buffers");
GST_INFO_OBJECT (v4l2src,
- "Got %d buffers (%" GST_FOURCC_FORMAT ") of size %d KB\n",
+ "Got %d buffers (%" GST_FOURCC_FORMAT ") of size %d KB",
v4l2src->breq.count,
GST_FOURCC_ARGS (v4l2src->format.fmt.pix.pixelformat),
v4l2src->format.fmt.pix.sizeimage / 1024);
@@ -421,9 +423,9 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QUERYBUF,
&buffer->buffer) < 0) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ, (NULL),
- ("Could not get buffer properties of buffer %d: %s",
- n, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
+ (_("Could not get buffer properties of buffer %d"), n),
+ GST_ERROR_SYSTEM);
gst_v4l2src_capture_deinit (v4l2src);
return FALSE;
}
@@ -431,8 +433,8 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
mmap (0, buffer->buffer.length, PROT_READ | PROT_WRITE, MAP_SHARED,
v4l2src->v4l2object->video_fd, buffer->buffer.m.offset);
if (buffer->start == MAP_FAILED) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ, (NULL),
- ("Could not mmap video buffer %d: %s", n, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
+ (_("Could not mmap video buffer %d: %s"), n), GST_ERROR_SYSTEM);
buffer->start = 0;
gst_v4l2src_capture_deinit (v4l2src);
return FALSE;
@@ -477,9 +479,9 @@ gst_v4l2src_capture_start (GstV4l2Src * v4l2src)
if (v4l2src->breq.memory != 0) {
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_STREAMON, &type) < 0) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, OPEN_READ, (NULL),
- ("Error starting streaming capture from device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, OPEN_READ,
+ (_("Error starting streaming capture from device %s"),
+ v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
}
@@ -509,9 +511,9 @@ gst_v4l2src_capture_stop (GstV4l2Src * v4l2src)
/* we actually need to sync on all queued buffers but not
* on the non-queued ones */
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_STREAMOFF, &type) < 0) {
- GST_ELEMENT_ERROR (v4l2src, RESOURCE, CLOSE, (NULL),
- ("Error stopping streaming capture from device %s: %s",
- v4l2src->v4l2object->videodev, g_strerror (errno)));
+ GST_ELEMENT_ERROR (v4l2src, RESOURCE, CLOSE,
+ (_("Error stopping streaming capture from device %s: %s"),
+ v4l2src->v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
}
@@ -586,9 +588,9 @@ gst_v4l2src_capture_deinit (GstV4l2Src * v4l2src)
if (g_atomic_int_dec_and_test (&v4l2src->pool->buffers[i].refcount)) {
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_DQBUF,
&v4l2src->pool->buffers[i].buffer) < 0)
- GST_WARNING_OBJECT (v4l2src,
- "Could not dequeue buffer on uninitialization: %s - will try reinit instead",
- g_strerror (errno));
+ GST_DEBUG_OBJECT (v4l2src,
+ "Could not dequeue buffer on uninitialization."
+ "system error: %s. Will try reinit instead", g_strerror (errno));
try_reinit = TRUE;
}
}
@@ -647,8 +649,8 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
*min_w = fmt.fmt.pix.width;
if (min_h)
*min_h = fmt.fmt.pix.height;
- GST_LOG_OBJECT (v4l2src, "got min size %dx%d", fmt.fmt.pix.width,
- fmt.fmt.pix.height);
+ GST_LOG_OBJECT (v4l2src,
+ "got min size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
fmt.fmt.pix.width = 4096;
fmt.fmt.pix.height = 4096;
@@ -660,8 +662,8 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
*max_w = fmt.fmt.pix.width;
if (max_h)
*max_h = fmt.fmt.pix.height;
- GST_LOG_OBJECT (v4l2src, "got max size %dx%d", fmt.fmt.pix.width,
- fmt.fmt.pix.height);
+ GST_LOG_OBJECT (v4l2src,
+ "got max size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
return TRUE;
}
@@ -721,8 +723,8 @@ gst_v4l2src_get_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
/* Note: V4L2 gives us the frame interval, we need the frame rate */
*fps_n = stream.parm.capture.timeperframe.denominator;
*fps_d = stream.parm.capture.timeperframe.numerator;
- GST_DEBUG_OBJECT (v4l2src, "frame rate returned by G_PARM: %d/%d fps",
- *fps_n, *fps_d);
+ GST_DEBUG_OBJECT (v4l2src,
+ "frame rate returned by G_PARM: %d/%d fps", *fps_n, *fps_d);
return TRUE;
}
@@ -739,8 +741,8 @@ gst_v4l2src_get_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
*fps_d =
gst_value_get_fraction_denominator (&GST_TUNER_NORM (v4l2norm)->
framerate);
- GST_DEBUG_OBJECT (v4l2src, "frame rate returned by get_norm: %d/%d fps",
- *fps_n, *fps_d);
+ GST_DEBUG_OBJECT (v4l2src,
+ "frame rate returned by get_norm: %d/%d fps", *fps_n, *fps_d);
return TRUE;
}
}
@@ -748,70 +750,6 @@ gst_v4l2src_get_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
}
-#if 0
-
-/* get a list of possible framerates
- * this is only done for webcams;
- * other devices return NULL here.
- * this function takes a LONG time to execute.
- */
-GValue *
-gst_v4l2src_get_fps_list (GstV4l2Src * v4l2src)
-{
- gint fps_index;
- struct video_window *vwin = &v4l2src->v4l2object->vwin;
- GstV4l2Object *v4l2object = v4l2src->v4l2object;
-
- /* check if we have vwin window properties giving a framerate,
- * as is done for webcams
- * See http://www.smcc.demon.nl/webcam/api.html
- * which is used for the Philips and qce-ga drivers */
- fps_index = (vwin->flags >> 16) & 0x3F; /* 6 bit index for framerate */
-
- /* webcams have a non-zero fps_index */
- if (fps_index == 0) {
- GST_DEBUG_OBJECT (v4l2src, "fps_index is 0, no webcam");
- return NULL;
- }
- GST_DEBUG_OBJECT (v4l2src, "fps_index is %d, so webcam", fps_index);
-
- {
- int i;
- GValue *list = NULL;
- GValue value = { 0 };
-
- /* webcam detected, so try all framerates and return a list */
-
- list = g_new0 (GValue, 1);
- g_value_init (list, GST_TYPE_LIST);
-
- /* index of 16 corresponds to 15 fps */
- GST_DEBUG_OBJECT (v4l2src, "device reports fps of %d/%d (%.4f)",
- fps_index * 15, 16, fps_index * 15.0 / 16);
- for (i = 0; i < 63; ++i) {
- /* set bits 16 to 21 to 0 */
- vwin->flags &= (0x3F00 - 1);
- /* set bits 16 to 21 to the index */
- vwin->flags |= i << 16;
- if (gst_v4l2_set_window_properties (v4l2object)) {
- /* setting it succeeded. FIXME: get it and check. */
- g_value_init (&value, GST_TYPE_FRACTION);
- gst_value_set_fraction (&value, i * 15, 16);
- gst_value_list_append_value (list, &value);
- g_value_unset (&value);
- }
- }
- /* FIXME: set back the original fps_index */
- vwin->flags &= (0x3F00 - 1);
- vwin->flags |= fps_index << 16;
- gst_v4l2_set_window_properties (v4l2object);
- return list;
- }
- return NULL;
-}
-
-#endif
-
#define GST_TYPE_V4L2SRC_BUFFER (gst_v4l2src_buffer_get_type())
#define GST_IS_V4L2SRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2SRC_BUFFER))
#define GST_V4L2SRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2SRC_BUFFER, GstV4l2SrcBuffer))
@@ -904,8 +842,8 @@ gst_v4l2src_buffer_new (GstV4l2Src * v4l2src, guint size, guint8 * data,
buf = (GstBuffer *) gst_mini_object_new (GST_TYPE_V4L2SRC_BUFFER);
GST_BUFFER_DATA (buf) = data;
GST_V4L2SRC_BUFFER (buf)->buf = srcbuf;
- GST_LOG_OBJECT (v4l2src, "creating buffer %p (nr. %d)",
- srcbuf, srcbuf->buffer.index);
+ GST_LOG_OBJECT (v4l2src,
+ "creating buffer %p (nr. %d)", srcbuf, srcbuf->buffer.index);
}
@@ -915,6 +853,7 @@ gst_v4l2src_buffer_new (GstV4l2Src * v4l2src, guint size, guint8 * data,
GST_BUFFER_TIMESTAMP (buf) =
gst_clock_get_time (GST_ELEMENT (v4l2src)->clock);
GST_BUFFER_TIMESTAMP (buf) -= GST_ELEMENT (v4l2src)->base_time;
+ GST_BUFFER_OFFSET (buf) = v4l2src->offset++;
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);
if (v4l2src->fps_n > 0) {
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-03 09:14:55 +0000